<template>
  <!-- eslint-disable -->
  <div>
     <!-- 面包屑导航区 -->
     <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>     
    </el-breadcrumb>


    <!-- 卡片视图 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input @clear="getGoodsList" clearable v-model="queryInfo.query" placeholder="请输入内容" >            
            <el-button @click="getGoodsList" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button @click="goAddpage" type="primary">添加商品</el-button>
        </el-col>
      </el-row>


      <!-- table表格区 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column width="140px" label="商品价格(元)" prop="goods_price"></el-table-column>
        <el-table-column width="140px" label="商品重量" prop="goods_weight"></el-table-column>
        <el-table-column width="200px" label="创建时间" prop="add_time">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
</el-table-column>
<el-table-column width="200px" label="操作">
    <template slot-scope="scope">
            <el-button size="mini" type="primary" 
            icon="el-icon-edit">编辑</el-button>
            <el-button @click="removeById(scope.row.goods_id)" 
            size="mini" type="danger" 
            icon="el-icon-delete">删除</el-button>
          </template>
</el-table-column>
</el-table>


<!-- 分页区 -->
<el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
</el-pagination>
</el-card>
</div>
</template>


<script>
    export default {
        data() {
            return {
                // 查询参数对象
                queryInfo: {
                    query: '',
                    pagenum: 1,
                    pagesize: 10
                },
                // 商品列表
                goodslist: [],
                // 总数据条数
                total: 0
            }
        },
        created() {
            this.getGoodsList()
        },
        methods: {
            // 根据分页获取商品列表
            async getGoodsList() {
                const {
                    data: res
                } = await this.$http.get("goods", {
                    params: this.queryInfo
                })
                if (res.meta.status != 200) {
                    return this.$message.error("获取商品列表失败")
                }
                this.$message.success("获取商品列表成功")
                console.log(res.data);
                this.goodslist = res.data.goods
                this.total = res.data.total
            },
            handleSizeChange(newSize) {
                this.queryInfo.pagesize = newSize
                this.getGoodsList()
            },
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage
                this.getGoodsList()
            },
            // 根据ID删除 
            async removeById(id) {
                const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err => err)
                if (confirmResult !== 'confirm') {
                    return this.$message.info("已取消删除")
                }
                // 删除商品
                const {
                    data: res
                } = await this.$http.delete(`goods/${id}`)
                if (res.meta.status != 200) {
                    return this.$message.error("删除失败")
                }
                this.$message.success("删除成功")
                this.getGoodsList()
            },
            // 跳转到添加商品路由页面
            goAddpage() {
                this.$router.push(`/goods/add`)
            }
        },
    }
</script>


<style lang="less" scoped>

</style>